splat

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Understanding ruby splat in ranges and arrays

I\'m trying to understand the difference between *(1..9) and [*1..9] If I assign them to variables they work the same way[详细]

2023-04-07 10:11 分类：问答
How can I splattify an anonymous object so I can use &method on it?

I\'m wanting to use the &method(:method_name) idiom when there\'s more than one object required by method_name. Can I do this under Ruby 1.9?[详细]

2023-04-05 03:57 分类：问答
Does Haskell have a splat operator like Python and Ruby?

In Python and Ruby (and others as well, I\'m sure). you can prefix an enumerable with * (\"splat\") to use it as an argument list. For instance, in Python:[详细]

2023-03-27 18:54 分类：问答
How do I pass an array to a method that accepts an attribute with a splat operator?

If I have a method like: def sum *numbers numbers.inject{|sum, number| sum += number} end How would I be able to pass an array as numbers?[详细]

2023-03-20 01:20 分类：问答
Why invoke "apply" instead of calling function directly?

When looking at开发者_JS百科 the source code for raphael or g.raphael or other libraries I\'ve noticed the developer does something like this:[详细]

2023-03-04 03:42 分类：问答
Ruby 1.9.2 - multiple splat argument issue

New to Ruby and work开发者_如何学Cing on a problem where I\'m trying to accept multiple splat arguments in the method. I think I understand why it\'s giving me the compile error, but I\'m not sure how[详细]

2023-02-16 08:41 分类：问答
How to pass the 'argument-line' of one PowerShell function to another?

I\'m trying to write some PowerShell functions that do some stuff and then transparently call through to existing built-in functions.I want to pass along all the arguments untouched.I don\'t want to h[详细]

2023-02-04 05:22 分类：问答
What does a * in front of a string literal do in ruby?

This code seems to create an array with a range from a to z but I don\'t understand what the * does. Can someon开发者_如何学Ce please explain?[详细]

2023-01-22 17:33 分类：问答
What does this mean in Ruby language?

Run the following code, a = [1, 2, 3, 4, 5] head, *tail = a p head p tail You will get the result 1 [2, 3, 4, 开发者_开发技巧5][详细]

2023-01-13 20:18 分类：问答
Creating a Cross-Platform C++ Library

I wanted to create a cross-platform 2D game engine, and I would like to know how to create a cross-platform project with Makefile, so I can compile it to the platforms I choose with custom rule for an[详细]

2022-12-22 05:00 分类：问答